FreeBSD-main-amd64-test - Build #25451 - Still Unstable

FreeBSD-main-amd64-test - Build #25451 (cb91dc50950ffdfd49337e844e231b69b8b5c634) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25451/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25451/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25451/console

Status explanation:
"Unstable" - some tests are suspected being broken by the following changes
"Still Unstable" - the failing test cases have not been fixed by these
                   following changes and this is a notification to note that
                   these changes have not been fully tested by the CI system

Change summaries:
(Those commits are likely but not certainly responsible)

c7a7e997d25d0b33769252d002b16839c864c83d by markj:
atomic: Avoid casting the return value of atomic_load_ptr to void *

d581970976101e1bcbfc23823b97696b172f118c by markj:
vmm: Factor most of sysctl_vmm_create() out into a separate function

063a8bd908ddaae9f0ba8c7711dfe837a14f21e7 by markj:
vmm: Factor most of sysctl_vmm_destroy() into a separate function

f4002135a2be59272f39f886fb270f5a4736ac08 by markj:
vmm: Remove an unneeded lookup in devmem_create_cdev()

c23da668fa8e341c6f51d70ec632de617b693215 by markj:
vmm: Be more consistent with the credential used for VM lookup

72ea8f41e19d3e028dd4ab3f9102240e215dbc6d by markj:
vmm: Let devmem devices reference the VM credential

a852dc580c1c261bc50fd9788b52abca0004661b by markj:
vmm: Harmonize compat ioctl definitions

8254a276ad893ae2a1b35fcbbad255f06e29b8c6 by np:
cxgbe/iw_cxgbe: Replace the fatal error flag with a stopped flag.

cb91dc50950ffdfd49337e844e231b69b8b5c634 by markj:
atomic: Fix the cast in the atomic_load_consume() interceptor



The failed test cases:

3 tests failed.
FAILED:  sys.net.routing.test_rtsock_l3.rtm_add_v6_temporal1_success

Error Message:
/usr/src/tests/sys/net/routing/rtsock_common.h:684: rtsock read timed out (5 seconds passed)

FAILED:  cddl.usr.sbin.zfsd.zfsd_unittest.main

Error Message:
Received signal 10

FAILED:  lib.libc.c063.faccessat_test.faccessat_fdlink

Error Message:
Test case was expecting a failure but none were raised